64879870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:913

約数の個数: 64

約数和(自身を含む): 137894400

約数和(自身を除く): 73014530

約数列:

[1, 2, 5, 10, 11, 19, 22, 37, 38, 55, 74, 95, 110, 185, 190, 209, 370, 407, 418, 703, 814, 839, 1045, 1406, 1678, 2035, 2090, 3515, 4070, 4195, 7030, 7733, 8390, 9229, 15466, 15941, 18458, 31043, 31882, 38665, 46145, 62086, 77330, 79705, 92290, 155215, 159410, 175351, 310430, 341473, 350702, 589817, 682946, 876755, 1179634, 1707365, 1753510, 2949085, 3414730, 5898170, 6487987, 12975974, 32439935, 64879870]

約数ペア:

[(1, 64879870), (2, 32439935), (5, 12975974), (10, 6487987), (11, 5898170), (19, 3414730), (22, 2949085), (37, 1753510), (38, 1707365), (55, 1179634), (74, 876755), (95, 682946), (110, 589817), (185, 350702), (190, 341473), (209, 310430), (370, 175351), (407, 159410), (418, 155215), (703, 92290), (814, 79705), (839, 77330), (1045, 62086), (1406, 46145), (1678, 38665), (2035, 31882), (2090, 31043), (3515, 18458), (4070, 15941), (4195, 15466), (7030, 9229), (7733, 8390)]